<template>
  <div class="shopcar-container">
      <div class="goods-list">
        <div class="mui-card">
            <div class="mui-card-content" v-for="(item, i) in goodslist" :key="item.id">
                <div class="mui-card-content-inner flex">
                          <!-- 复选框 -->
                    <div class="mui-input-row mui-checkbox mui-left">
                      <label>&nbsp;</label>
                          <input type="checkbox" v-model="getGoodsSelected[item.id]" @change="selectedChange(item.id,getGoodsSelected[item.id])" :disabled="item.num == 0">
                          </div>
                          <!-- 中间商品图片 -->
                          <img :src="item.image">
                          <!-- 右侧部分 -->
                          <div class="info">
                          <h1>{{ item.name }}</h1>
                          <p class="flex">
                              <span class="price">¥{{ item.price }}</span>
                              <numbox v-if="item.num" @count="countChange" :initcount="getGoodsCount[item.id]" :max="item.num" :goodsid="item.id" size="min"></numbox>
                              <span v-else style="margin-right:20px;">该商品暂时无货</span>
                              <a href="#" @click.prevent="remove(item.id, i)">删除</a>
                          </p>
                    </div>
                </div>
            </div>
        </div>
        <!-- 商品结算区域 -->
      <div class="mui-card">
        <div class="mui-card-content">
          <div class="mui-card-content-inner balance">
            <div class="left">
              <p>总计不含运费</p>
              <p>已勾选商品 <span class="red">{{ getSelectedCount }}</span> 件，总价 <span class="red">¥{{ getSelectedAmount }}</span></p>
            </div>
            <mt-button type="primary" @click="createOrder">去结算</mt-button>
          </div>
        </div>
      </div>
      <!-- 商品结算区域 -->
      <div class="mui-card">
        <div class="mui-card-content">
          <div class="mui-card-content-inner balance">
            <div class="left">
              <p>总计不含运费</p>
              <p>已勾选商品 <span class="red">{{ getSelectedCount }}</span> 件，总价 <span class="red">¥{{ getSelectedAmount }}</span></p>
            </div>
            <mt-button type="primary" @click="createOrder">去结算</mt-button>
          </div>
        </div>
      </div>
    </div>
  </div>
</template> 

<script>
import { mapGetters,mapState } from 'vuex'
import numbox from '@/components/numbox.vue'

export default {
    data () {
        return {
            goodslist: []
        }
    },
    components: {
        numbox
    },
    computed: {
        ...mapState('shopcart', ['car']),
        ...mapGetters('shopcart', ['getGoodsCount', 'getGoodsSelected', 'getSelectedCount', 'getSelectedGoods']),
        getSelectedAmount () 
        {
          var goods = this.getSelectedGoods
          var amount = 0
          this.goodslist.forEach(item => {
            if (goods[item.id]) {
              amount += item.price * goods[item.id].count
            }
          })
          return amount
        }
    },
    created () {
        this.getGoodsList()
    },
    methods: {
        getGoodsList () {
            var idArr = []
            this.car.forEach(item => idArr.push(item.id))
            if (idArr.length <= 0) {
                return
            }
            this.$indicator.open({
                text: '加载中'
            })
            var params = { ids: idArr }
            this.$http.get('shopcart', { params: params }).then(res => {
                this.$indicator.close()
                if (res.data.code === 1) {
                    this.goodslist = res.data.data
                    this.goodslist.forEach(item => {
                        if (item.num == 0) 
                        {
                            this.selectedChange(item.id, false)
                        }
                    })
                }
                window.console.log(res.data.data)
            })
        },
        countChange (goodsinfo) 
        {
            this.$store.commit('shopcart/updateGoodsInfo', goodsinfo)
        },
        selectedChange (id, val) 
        {
            this.$store.commit('shopcart/updateGoodsSelected', { id: id, selected: val })
        },
        remove (id, index) 
        {
            this.goodslist.splice(index, 1)
            this.$store.commit('shopcart/removeCar', id)
        },
        createOrder () {
        if (this.goodslist.length === 0) {
          this.$toast('您的购物车为空')
          return
        }
        this.$store.commit('shopcart/setBuy')
        this.$router.push({ name: 'order_create' })
      }
    }
}
</script>
<style lang="scss" scoped>
.flex {
  display: flex;
}
.shopcar-container {
  .balance {
    display: flex;
    justify-content: space-between;
    align-items: center;
    .red {
      color: red;
      font-weight: bold;
      font-size: 16px;
    }
    .balance {
      display: flex;
      justify-content: space-between;
      align-items: center;
      .red {
        color: red;
        font-weight: bold;
        font-size: 16px;
      }
    }
  }
  background: #eee;
  overflow: hidden;
  .goods-list {
    .mui-card-content-inner {
      align-items: center;
      padding: 10px;
      .mui-checkbox.mui-left input[type='checkbox'] {
        left: 0px;
      }
      .mui-radio.mui-left label, .mui-checkbox.mui-left label {
        padding-left: 20px;
        padding-right: 35px;
        padding-bottom: 22px;
      }
    }
    img {
      width: 60px;
    }
    .info {
      margin-left: 10px;
      width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      h1 {
        font-size: 13px;
        font-weight: bold;
        line-height: 20px;
        padding-top: 10px;
      }
      p {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        .price {
          text-align: left;
          font-size: 16px;
          font-weight: 700;
          color: red;
          flex: 1
        }
        a {
          line-height: 25px;
        }
      }
    }
  }
}
</style>